A cookie is a small file stored on your computer when you visit a website. It helps enhance your browsing experience by remembering login details, preferences, and settings, so you don’t have to re-enter information or repeat actions when revisiting the site. Cookies allow for a more personalized and efficient experience by keeping track of user interactions. They also play a crucial role for marketers, providing valuable data for analyzing user behavior and optimizing advertising campaigns. This information helps marketers tailor ads and content to target audiences more effectively, making cookies essential for user convenience and digital marketing strategies.